Dog washing tub



FIG. 1 is a right side elevational view of the dog washing tub showing our new design, with the left side elevational view being a mirror image thereof;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a perspective view thereof. 

The ornamental design for a dog washing tub, as shown and described. 